/*
 * Copyright (c) 2009, Russell Weir - www.codeblackbox.com
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE HAXE PROJECT CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE HAXE PROJECT CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */

#ifndef __HX_VM_H__
#define __HX_VM_H__

#include <math.h>
#include <neko.h>
#include <Python.h>
extern "C" {
	#include <lua.h>
	#include <lauxlib.h>
	#include <lualib.h>
}

typedef enum {
	VM_UNKNOWN,
	VM_LUA,
	VM_PYTHON
} VM_Type;

typedef struct VM_Descriptor {
	VM_Type type;
	union {
		lua_State *lua_state;
		PyObject *python_state;
	};
	int multiReturnMode;
	char *last_error;
} VM_Descriptor;

typedef enum {
	PTR_DATA,
	PTR_FUNCTION
} PTR_Type;

typedef struct VM_Pointer {
	PTR_Type type;
	void *data;
} VM_Pointer;


#define VM( o )				(VM_Descriptor*)val_data( o )
#define POINTER( o )		(VM_Pointer*)val_data( o )
#define OBJ_FIELD( o, f )	val_field( o, val_id( f ) )
#define INT_FIELD( o, f )	val_int( val_field( o, val_id( f ) ) )

DECLARE_KIND( k_pointer );

#endif /// __HX_VM_H__
